Urban land -use is closely related to urban development. A new trend and some problems in urban land- use appeared along with accelerated urbanization in China. The trend characterized with a large in- crease in the amount of urban land demand

the rise of the ratio of urban common land to total urban area and the elevation of urban land income. The problems mostly included a severe conflict between supply and demand of urban land

extensive land - use

a weak market - force in urban land resources allocation. Based on above analysis

the optimization countermeasures

which included intensive land - use

land - use structure optimization

exploitation of leave unused land in cities

and land - market construction

were put forward for promoting rational utilization of urban land and sustainable development of urban economy.